A person putting an ear of corn into the gas tank of a car,illustrating the concept of biofuel. Anaerobic digestion of the organic molecules in corn produces ethanol which can be used as biofuel | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Shields, Martin |
Bildgröße: | 4930 px × 3300 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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